/*
* Original code Copyright 2017, Intel Corporation
* Modifications Copyright 2018, Blender Foundation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Intel Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef __UTIL_TYPES_FLOAT8_H__
#define __UTIL_TYPES_FLOAT8_H__

#ifndef __UTIL_TYPES_H__
#  error "Do not include this file directly, include util_types.h instead."
#endif

CCL_NAMESPACE_BEGIN

#ifndef __KERNEL_GPU__

struct ccl_try_align(32) float8 {
#ifdef __KERNEL_AVX2__
	union {
		__m256 m256;
		struct { float a, b, c, d, e, f, g, h; };
	};

	__forceinline float8();
	__forceinline float8(const float8& a);
	__forceinline explicit float8(const __m256& a);

	__forceinline operator const __m256&() const;
	__forceinline operator __m256&();

	__forceinline float8& operator =(const float8& a);

#else  /* __KERNEL_AVX2__ */
	float a, b, c, d, e, f, g, h;
#endif  /* __KERNEL_AVX2__ */

	__forceinline float operator[](int i) const;
	__forceinline float& operator[](int i);
};

ccl_device_inline float8 make_float8(float f);
ccl_device_inline float8 make_float8(float a, float b, float c, float d,
                                     float e, float f, float g, float h);
#endif  /* __KERNEL_GPU__ */

CCL_NAMESPACE_END

#endif  /* __UTIL_TYPES_FLOAT8_H__ */
